Question

What is the square root of 0.0009?

• A. \( 0.03 \)
• B. \( 0.3 \)
• C. \( 3 \)
• D. \( 0.003 \)
• E.

Hint:

When calculating square roots of decimal numbers, express them as fractions to simplify the calculation.

Answer 1

The Correct Option is A

To calculate the square root of 0.0009, express it as follows: \[ \sqrt{0.0009} = \sqrt{\frac{9}{10000}} = \frac{\sqrt{9}}{\sqrt{10000}} = \frac{3}{100} = 0.03 \] Therefore, the square root of 0.0009 is \( 0.03 \).